The effect of landfill leachate pH to pollutants transport through landfill liners

摘要：

In order to study the influence of landfill leachate pH to adsorption of Cr(VI) onto landfill liners,batch testing was carried out in laboratory.The result of batch testing showed that the adsorption of Cr(VI) onto landfill liner-soil material decreases dramatically with the increasing of the pH values.However,the initial rapid drcease in adsorption capacity moderates as the landfill leachate pH exceeds neutral.The relationship between of adsorption parameter (Qm,b) and landfill leachate pH values is linear.The numerical model of pollutants transport was developed,and Cr(VI) migration law through landfill liner was predicted by the model.The result of numerical simulation showed that Cr(VI) migration is influenced obviously by landfill leachate pH values.Hence,landfill leachate pH values must be considered in numerical simulation of pollutants transport.

关键词： landfill leachate adsorption pollutants transport numerical simulation

作者: Lu Haijun

作者单位: Institute of Poromechanics,Wuhan Polytechnic University Wuhan,PR China

会议类型: 国际会议

会议名称: 2010 2nd International Conference on Education Technology and Computer(第二届IEEE教育技术与计算机国际会议 ICETC 2010)

会议地点: 上海

会议语种:英文

页码: 274-277

在线出版日期: 2010-06-22（万方平台首次上网日期，不代表论文的发表时间）